safety belt vs safety harness

safety belt and safety harness both are nouns.

Word	Noun	Adjective	Verb	Adverb
safety belt	Yes	No	No	No
safety harness	Yes	No	No	No

As nouns, safety belt and safety harness are synonyms defined as:

safety belt and safety harness: belt attaching you to some object as a restraint in order to prevent you from getting hurt

Other synonyms of safety belt include life belt.

safety belt (noun)	safety harness (noun)
belt attaching you to some object as a restraint in order to prevent you from getting hurt	belt attaching you to some object as a restraint in order to prevent you from getting hurt